Double Fever Time

http://maplestory.nexon.net/news/events/...ess/00H0a/

Its time to give those Magic Harps a workout during the Double Fever Time Event! Add Magic Notes to your Magic Harp on 7/27, and youll get to fever time twice as fast! Race to fever time during the Double Fever Time Event!

Details:
Double Fever Time
Saturday, July 27, 2013 2 PM - 4 PM (5 PM - 7 PM Eastern)

• Check the top of the screen for the scroll message and the Double Fever Time notifier.
  
• During the event, youll have a 2x rate of Fever on your Magic Harp.
  

...the rewards there don't look that great. KMS Fever Time info for those who are curious.

I used 3 harps and got crap. Totally a ripoff.